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    SubjectRe: [PATCH 00/23] tracehook
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    David Miller <davem@davemloft.net> writes:
    >
    > The other arch's with compat support will have this same exact issue.

    On x86-64 the sign extension is in C code, so it would be somewhat more
    complicated to do a generic table or converter.

    I think the tracer will always need to know if it's tracing 32bit
    or 64bit though, because the interfaces are not always 100% compatible.
    e.g. I suspect any serious one will need to look at memory
    arguments for some cases and those generally differ.

    -Andi


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